What size is this brass nut and what's the proper name for it? : r

Jal Type Rising Concealed Spindle Size 1/2/IMP-1704 – Impoda

Hex Nut Brass DIN 934 - BelMetric

Brass Fittings Refrigerative Supply

20mm Brass Knurling Insert, For Hardware Fittings, Size: 1.5inch (length) at Rs 5/piece in Jamnagar

All Size of High Quality Brass Parts Brass Pipe Joint for HVAC/R System for Midea, Daikin, Gree, LG and So on - China Brass Parts, AC Brass Parts

Solid Brass Tube Beads, Raw Brass Beads, Tube Spacer Bead Charms, Geometric Jewelry, Raw Brass Jewelry Findings, 20pc

Brass Moulding Insert M5, Size: 9.20X12.00mm at Rs 2/piece in Jamnagar

Brass Toggle Switch Metric Nut. Will fit full size import and Made in Japan Toggle Switches., Sold individually.

Toggle Switch Metric Nut - Brass

Mini Brass Round Head Screw and Nut 20 Sets 0-80 X 1/4

2 mm Brass Knurling Insert at Rs 1.25/piece, Brass Knurling Insert in Jamnagar